80496680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1619}}^1$

素因数の和:1754

約数の個数: 64

約数和(自身を含む): 199454400

約数和(自身を除く): 118957720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 440, 452, 565, 904, 1130, 1243, 1619, 2260, 2486, 3238, 4520, 4972, 6215, 6476, 8095, 9944, 12430, 12952, 16190, 17809, 24860, 32380, 35618, 49720, 64760, 71236, 89045, 142472, 178090, 182947, 356180, 365894, 712360, 731788, 914735, 1463576, 1829470, 2012417, 3658940, 4024834, 7317880, 8049668, 10062085, 16099336, 20124170, 40248340, 80496680]

約数ペア:

[(1, 80496680), (2, 40248340), (4, 20124170), (5, 16099336), (8, 10062085), (10, 8049668), (11, 7317880), (20, 4024834), (22, 3658940), (40, 2012417), (44, 1829470), (55, 1463576), (88, 914735), (110, 731788), (113, 712360), (220, 365894), (226, 356180), (440, 182947), (452, 178090), (565, 142472), (904, 89045), (1130, 71236), (1243, 64760), (1619, 49720), (2260, 35618), (2486, 32380), (3238, 24860), (4520, 17809), (4972, 16190), (6215, 12952), (6476, 12430), (8095, 9944)]